@import url("https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,400;0,600;0,700;0,800;1,400&family=Source+Sans+3:wght@400;600&display=swap");
@import "./tokens.css";

/* --- Reset & Base ----------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }

/* --- Typography ------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}
h1 { font-size: clamp(1.875rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.375rem, 3vw, 2.125rem); }
h3 { font-size: clamp(1.0625rem, 2vw, 1.375rem); }
p + p { margin-top: 0.75rem; }

/* --- Container -------------------------------------------------- */
.container { max-width: 1180px; margin-inline: auto; padding-inline: 1.25rem; }

/* --- Navigation ------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 3px solid var(--color-secondary);
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  max-width: 1180px;
  margin-inline: auto;
}
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 38px; width: auto; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-primary);
  padding: 1rem 0;
  z-index: 99;
}
.nav-menu.is-open { display: flex; flex-direction: column; }
.nav-menu li a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: rgba(255,255,255,0.85);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.4px;
  transition: color 0.2s;
}
.nav-menu li a:hover,
.nav-menu li a[aria-current="page"] { color: var(--color-secondary); }
.nav-menu .nav-cta a {
  margin: 0.75rem 1.25rem 0;
  background: var(--color-secondary);
  color: var(--color-bg);
  border-radius: 4px;
  text-align: center;
  padding: 0.75rem;
  display: block;
}
.nav-menu .nav-cta a:hover { background: var(--color-accent); color: var(--color-text); }

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .nav-menu {
    display: flex !important;
    position: static;
    background: none;
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
    padding: 0;
  }
  .nav-menu li a {
    color: var(--color-text);
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
  }
  .nav-menu li a:hover,
  .nav-menu li a[aria-current="page"] { color: var(--color-secondary); background: #F4F4F5; }
  .nav-menu .nav-cta a {
    margin: 0;
    background: var(--color-secondary);
    color: var(--color-bg);
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
  }
  .nav-menu .nav-cta a:hover { background: color-mix(in srgb, var(--color-secondary) 85%, #000); }
}

/* --- Hero ------------------------------------------------------- */
.hero {
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 4rem 1.25rem 3rem;
}
.hero-inner { max-width: 1180px; margin-inline: auto; }
.hero-text { max-width: 640px; }
.hero h1 { color: var(--color-bg); margin-bottom: 1rem; }
.hero h1 em { font-style: normal; color: var(--color-secondary); }
.hero-lead {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2rem;
  max-width: 520px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.875rem; }
.hero-visual { margin-top: 2.5rem; border-radius: 10px; overflow: hidden; }
.normes-strip { display: flex; flex-wrap: wrap; gap: 0.625rem; margin-top: 1.75rem; }
.norme-tag {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.85);
  border-radius: 4px;
  padding: 0.3rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.3px;
}

@media (min-width: 768px) {
  .hero { padding: 5rem 2rem 4rem; }
  .hero-visual { margin-top: 3rem; }
}
@media (min-width: 1024px) {
  .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
  .hero-visual { margin-top: 0; }
}

/* --- Buttons ---------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.875rem 1.75rem;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.15s, box-shadow 0.2s;
  text-align: center;
  letter-spacing: 0.3px;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 14px rgba(0,0,0,0.15); }
.btn-primary { background: var(--color-secondary); color: var(--color-bg); border-color: var(--color-secondary); }
.btn-primary:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-text); }
.btn-outline { background: transparent; color: var(--color-bg); border-color: rgba(255,255,255,0.5); }
.btn-outline:hover { background: var(--color-bg); color: var(--color-primary); border-color: var(--color-bg); }
.btn-dark { background: var(--color-primary); color: var(--color-bg); border-color: var(--color-primary); }
.btn-dark:hover { background: color-mix(in srgb, var(--color-primary) 85%, #000); }

/* --- Sections --------------------------------------------------- */
.section { padding: 4rem 1.25rem; }
.section-muted { background: #F4F4F5; }
.section-dark { background: var(--color-primary); color: var(--color-bg); }
.section-dark h2, .section-dark h3 { color: var(--color-bg); }
.section-accent { background: var(--color-secondary); color: var(--color-bg); }
.section-accent h2 { color: var(--color-bg); }

.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 { margin-bottom: 0.625rem; }
.section-header p { color: #6B7280; font-size: 1.0625rem; max-width: 580px; margin-inline: auto; }
.section-dark .section-header p { color: rgba(255,255,255,0.7); }

.badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
  background: color-mix(in srgb, var(--color-secondary) 15%, var(--color-bg));
  color: var(--color-secondary);
  margin-bottom: 0.75rem;
}
.section-dark .badge { background: rgba(255,255,255,0.15); color: var(--color-bg); }

@media (min-width: 768px) { .section { padding: 5rem 2rem; } }

/* --- Cards ------------------------------------------------------ */
.cards-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 640px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cards-grid { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--color-bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 14px rgba(0,0,0,0.07);
  border-top: 4px solid var(--color-secondary);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.25s, transform 0.25s;
}
.card:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.12); transform: translateY(-3px); }
.card-body { padding: 1.5rem; flex: 1; }
.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-secondary) 12%, var(--color-bg));
  border-radius: 50%;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}
.card h3 { margin-bottom: 0.5rem; }
.card p { color: #4B5563; font-size: 0.9375rem; line-height: 1.6; }
.card-footer { padding: 1rem 1.5rem; border-top: 1px solid #F3F4F6; }
.card-link { font-family: var(--font-display); font-weight: 700; color: var(--color-secondary); font-size: 0.9rem; }
.card-link:hover { text-decoration: underline; }

/* --- Page hero -------------------------------------------------- */
.page-hero {
  background: var(--color-primary);
  padding: 3rem 1.25rem 2.5rem;
  text-align: center;
}
.page-hero h1 { color: var(--color-bg); margin-bottom: 0.75rem; }
.page-hero p { color: rgba(255,255,255,0.75); font-size: 1.0625rem; max-width: 560px; margin-inline: auto; }
.breadcrumb {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--color-secondary); }
.breadcrumb a:hover { text-decoration: underline; }
@media (min-width: 768px) { .page-hero { padding: 4rem 2rem 3rem; } }

/* --- Feature list ----------------------------------------------- */
.features { display: grid; gap: 1.25rem; }
.feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem;
  background: var(--color-bg);
  border-radius: 8px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}
.feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--color-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-bg);
  font-size: 1.125rem;
}
.feature-text h3 { font-size: 1rem; margin-bottom: 0.25rem; }
.feature-text p { font-size: 0.9rem; color: #4B5563; margin: 0; }
@media (min-width: 640px) { .features { grid-template-columns: repeat(2, 1fr); } }

/* --- Stats ----------------------------------------------------- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  text-align: center;
}
@media (min-width: 640px) { .stats-strip { grid-template-columns: repeat(4, 1fr); } }
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1;
}
.stat-label { font-size: 0.875rem; color: rgba(255,255,255,0.7); margin-top: 0.375rem; }
.section-dark .stat-label { color: rgba(255,255,255,0.7); }

/* --- Service blocks -------------------------------------------- */
.service-block {
  display: grid;
  gap: 2rem;
  padding-bottom: 3rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid #E5E7EB;
}
.service-block:last-child { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
.service-content h2 { margin-bottom: 1rem; }
.service-content p { color: #4B5563; margin-bottom: 0.875rem; }
.service-content ul {
  margin: 0.875rem 0 0 1.25rem;
  color: #4B5563;
}
.service-content ul li { list-style: disc; margin-bottom: 0.375rem; font-size: 0.9375rem; }
@media (min-width: 768px) {
  .service-block { grid-template-columns: 1fr 1fr; align-items: center; }
  .service-block.reverse .service-visual { order: -1; }
}

/* --- Gallery --------------------------------------------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (min-width: 640px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
.gallery-caption { margin-top: 0.5rem; font-size: 0.875rem; color: #6B7280; font-style: italic; text-align: center; }

/* --- About ----------------------------------------------------- */
.about-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 768px) { .about-grid { grid-template-columns: 1fr 1fr; } }
.about-content p { color: #4B5563; margin-bottom: 0.875rem; }
.values-list { display: grid; gap: 0.75rem; margin-top: 1.5rem; }
.value-item {
  display: flex;
  gap: 0.875rem;
  align-items: center;
  padding: 1rem 1.25rem;
  background: #F4F4F5;
  border-radius: 6px;
  border-left: 4px solid var(--color-secondary);
}
.value-icon { font-size: 1.25rem; flex-shrink: 0; }
.value-text strong { display: block; font-family: var(--font-display); font-weight: 700; color: var(--color-primary); }
.value-text span { font-size: 0.9rem; color: #4B5563; }

/* --- Contact --------------------------------------------------- */
.contact-layout {
  display: grid;
  gap: 2.5rem;
}
@media (min-width: 768px) { .contact-layout { grid-template-columns: 1fr 1fr; } }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.375rem;
  color: var(--color-primary);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1.5px solid #D1D5DB;
  border-radius: 4px;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-secondary) 18%, transparent);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: 0.8125rem; color: #6B7280; margin-top: 0.5rem; }

.contact-info-block { display: grid; gap: 1rem; margin-bottom: 1.5rem; }
.info-item { display: flex; gap: 0.875rem; align-items: flex-start; }
.info-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: color-mix(in srgb, var(--color-secondary) 12%, var(--color-bg));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
}
.info-content strong { display: block; font-family: var(--font-display); font-weight: 600; font-size: 0.875rem; color: var(--color-primary); }
.info-content span, .info-content a { font-size: 0.9375rem; color: #4B5563; }
.info-content a:hover { color: var(--color-secondary); text-decoration: underline; }
.map-wrap { border-radius: 8px; overflow: hidden; border: 2px solid #E5E7EB; margin-top: 1.5rem; }
.map-wrap iframe { display: block; }

/* --- CTA banner ------------------------------------------------- */
.cta-banner { background: var(--color-secondary); color: var(--color-bg); text-align: center; padding: 4rem 1.25rem; }
.cta-banner h2 { color: var(--color-bg); margin-bottom: 0.75rem; }
.cta-banner p { font-size: 1.0625rem; opacity: 0.9; margin-bottom: 2rem; max-width: 560px; margin-inline: auto; }
@media (min-width: 768px) { .cta-banner { padding: 5rem 2rem; } }

/* --- Footer ---------------------------------------------------- */
.footer { background: var(--color-primary); color: var(--color-bg); padding: 3.5rem 1.25rem 1.5rem; }
.footer-grid { display: grid; gap: 2rem; margin-bottom: 2.5rem; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
@media (min-width: 768px) { .footer { padding: 4rem 2rem 2rem; } }
.footer-logo { margin-bottom: 1rem; filter: brightness(0) invert(1); max-width: 140px; }
.footer-about p { font-size: 0.9rem; opacity: 0.7; line-height: 1.65; max-width: 280px; }
.footer h3 { color: var(--color-secondary); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 0.875rem; }
.footer-nav li + li { margin-top: 0.5rem; }
.footer a { color: rgba(255,255,255,0.65); transition: color 0.2s; font-size: 0.9rem; }
.footer a:hover { color: var(--color-secondary); }
.footer-contact p { font-size: 0.9rem; opacity: 0.7; line-height: 1.7; }
.footer-contact a { opacity: 1; color: rgba(255,255,255,0.65); }
.footer-legal {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  font-size: 0.8rem;
  opacity: 0.45;
  text-align: center;
  line-height: 1.6;
}

/* --- Visual Placeholder (spec exact) --------------------------- */
.visual-placeholder {
  display: block;
  width: 100%;
  border-radius: 8px;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--color-primary) 22%, var(--color-bg)) 0%,
      color-mix(in srgb, var(--color-primary) 10%, var(--color-bg)) 55%,
      color-mix(in srgb, var(--color-secondary) 18%, var(--color-bg)) 100%
    );
}
.visual-placeholder[data-aspect="4:3"]  { aspect-ratio: 4 / 3; }
.visual-placeholder[data-aspect="1:1"]  { aspect-ratio: 1 / 1; }
.visual-placeholder[data-aspect="3:4"]  { aspect-ratio: 3 / 4; }
.visual-placeholder[data-aspect="21:9"] { aspect-ratio: 21 / 9; }

.visual-placeholder[data-tone="secondary"] {
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--color-secondary) 22%, var(--color-bg)) 0%,
      color-mix(in srgb, var(--color-secondary) 10%, var(--color-bg)) 55%,
      color-mix(in srgb, var(--color-primary) 16%, var(--color-bg)) 100%
    );
}
.visual-placeholder[data-tone="accent"] {
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--color-accent, var(--color-primary)) 22%, var(--color-bg)) 0%,
      color-mix(in srgb, var(--color-primary) 12%, var(--color-bg)) 60%,
      color-mix(in srgb, var(--color-secondary) 16%, var(--color-bg)) 100%
    );
}
.visual-placeholder[data-tone="muted"] {
  background: color-mix(in srgb, var(--color-text) 8%, var(--color-bg));
}

/* --- Animations ------------------------------------------------ */
.fade-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-up.is-visible { opacity: 1; transform: none; }

/* --- Utilities ------------------------------------------------- */
.text-center { text-align: center; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* --- About facts card (replaces about-1 visual placeholder) ---- */
.about-facts-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 2rem;
  background: color-mix(in srgb, var(--color-primary) 5%, var(--color-bg));
  border-left: 4px solid var(--color-secondary);
  border-radius: 8px;
}
.fact { display: flex; flex-direction: column; gap: 0.25rem; }
.fact-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
}
.fact-label {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* --- Realisation text grid (replaces gallery-4/5 placeholders) -- */
.realisation-text-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 640px) {
  .realisation-text-grid { grid-template-columns: 1fr 1fr; }
}
.realisation-text-item {
  padding: 1.5rem;
  background: color-mix(in srgb, var(--color-primary) 4%, var(--color-bg));
  border-radius: 8px;
}
.realisation-text-item h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.realisation-text-item p {
  font-size: 0.9rem;
  color: #4B5563;
  line-height: 1.6;
}

/* --- Phone placeholder ----------------------------------------- */
.tel-placeholder {
  display: inline-block;
  color: #6B7280;
  font-style: italic;
}

/* ==============================================================
   ANIMATION PASS — AnimationDesigner (WEB-5710)
   Template BTP (construction). Effets discrets, GPU-friendly,
   sobres et professionnels. Tout est encapsulé sous
   prefers-reduced-motion: no-preference. Un garde global
   prefers-reduced-motion: reduce coupe toute animation à la fin.
   ============================================================== */

@media (prefers-reduced-motion: no-preference) {

  /* -- 1. Nav — soulignement amber qui glisse sous les liens ---- */
  @media (min-width: 768px) {
    .nav-menu li:not(.nav-cta) a {
      position: relative;
      background-image: linear-gradient(var(--color-secondary), var(--color-secondary));
      background-repeat: no-repeat;
      background-position: 0 100%;
      background-size: 0% 2px;
      transition: color 0.2s ease, background-size 0.3s ease, background-color 0.2s ease;
    }
    .nav-menu li:not(.nav-cta) a:hover,
    .nav-menu li:not(.nav-cta) a[aria-current="page"] {
      background-size: 100% 2px;
    }
  }

  /* -- 2. Stagger reveal des cartes services et features -------- */
  .cards-grid > .fade-up:nth-child(1) { transition-delay: 0ms; }
  .cards-grid > .fade-up:nth-child(2) { transition-delay: 110ms; }
  .cards-grid > .fade-up:nth-child(3) { transition-delay: 220ms; }
  .cards-grid > .fade-up:nth-child(4) { transition-delay: 330ms; }
  .features > .fade-up:nth-child(1) { transition-delay: 0ms; }
  .features > .fade-up:nth-child(2) { transition-delay: 90ms; }
  .features > .fade-up:nth-child(3) { transition-delay: 180ms; }
  .features > .fade-up:nth-child(4) { transition-delay: 270ms; }

  /* -- 3. Carte service — icône qui prend vie au survol --------- */
  .card { transition: box-shadow 0.28s ease, transform 0.28s ease, border-top-color 0.28s ease; }
  .card-icon {
    transition: background 0.3s ease, transform 0.3s ease, color 0.3s ease;
  }
  .card:hover { border-top-color: var(--color-accent); }
  .card:hover .card-icon {
    background: var(--color-secondary);
    color: var(--color-bg);
    transform: rotate(-4deg) scale(1.06);
  }
  .card-link {
    display: inline-block;
    transition: transform 0.2s ease, color 0.2s ease;
  }
  .card:hover .card-link { transform: translateX(4px); color: var(--color-accent); }

  /* -- 4. Feature — icône amber avec halo au survol ------------- */
  .feature { transition: transform 0.25s ease, box-shadow 0.25s ease; }
  .feature:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.10);
  }
  .feature-icon {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
  }
  .feature:hover .feature-icon {
    transform: scale(1.08);
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--color-secondary) 18%, transparent);
  }

  /* -- 5. Hero — mot amber avec brillance subtile --------------- */
  .hero h1 em {
    background-image: linear-gradient(
      100deg,
      var(--color-secondary) 0%,
      var(--color-accent) 45%,
      #FCD34D 55%,
      var(--color-accent) 70%,
      var(--color-secondary) 100%
    );
    background-size: 220% 100%;
    background-position: 0% 50%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: astra-shine 9s ease-in-out infinite;
  }
  @keyframes astra-shine {
    0%, 100% { background-position: 0% 50%; }
    50%      { background-position: 100% 50%; }
  }

  /* -- 6. Normes tags — entrée cascade au chargement du hero ---- */
  .normes-strip .norme-tag {
    opacity: 0;
    transform: translateY(6px);
    animation: astra-tag-in 0.5s ease forwards;
  }
  .normes-strip .norme-tag:nth-child(1) { animation-delay: 0.15s; }
  .normes-strip .norme-tag:nth-child(2) { animation-delay: 0.28s; }
  .normes-strip .norme-tag:nth-child(3) { animation-delay: 0.41s; }
  .normes-strip .norme-tag:nth-child(4) { animation-delay: 0.54s; }
  .norme-tag { transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease; }
  .norme-tag:hover {
    background: rgba(255,255,255,0.18);
    border-color: color-mix(in srgb, var(--color-secondary) 55%, transparent);
    transform: translateY(-1px);
  }
  @keyframes astra-tag-in {
    to { opacity: 1; transform: none; }
  }

  /* -- 7. Placeholder — dégradé qui respire au survol ----------- */
  .visual-placeholder {
    background-size: 180% 180%;
    background-position: 0% 0%;
    transition: transform 0.4s ease, background-position 0.8s ease, box-shadow 0.4s ease;
  }
  .hero-visual .visual-placeholder,
  .service-visual .visual-placeholder,
  .gallery-grid .visual-placeholder {
    cursor: default;
  }
  .hero-visual:hover .visual-placeholder,
  .service-visual:hover .visual-placeholder,
  .gallery-grid > *:hover .visual-placeholder {
    background-position: 100% 100%;
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.14);
  }

  /* -- 8. Stat number — révélation avec léger scale ------------- */
  .stats-strip.fade-up .stat-number {
    opacity: 0;
    transform: translateY(6px) scale(0.94);
    transition: opacity 0.55s ease 0.15s, transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) 0.15s;
  }
  .stats-strip.fade-up.is-visible .stat-number { opacity: 1; transform: none; }
  .stats-strip.fade-up .stat:nth-child(2) .stat-number { transition-delay: 0.25s; }
  .stats-strip.fade-up .stat:nth-child(3) .stat-number { transition-delay: 0.35s; }
  .stats-strip.fade-up .stat:nth-child(4) .stat-number { transition-delay: 0.45s; }

  /* -- 9. CTA banner — halo amber discret sur le bouton --------- */
  .cta-banner .btn-outline {
    box-shadow: 0 0 0 0 rgba(255,255,255,0);
    animation: astra-cta-halo 3.4s ease-in-out infinite;
  }
  @keyframes astra-cta-halo {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,0.55); }
    50%      { box-shadow: 0 0 0 10px rgba(255,255,255,0); }
  }
  .cta-banner .btn-outline:hover { animation-play-state: paused; }

  /* -- 10. Header — sous-ombre qui s'accentue au scroll --------- */
  .site-header { transition: box-shadow 0.25s ease, border-bottom-color 0.25s ease; }

  /* -- 11. Value item (à propos) — léger glissement au survol --- */
  .value-item {
    transition: transform 0.25s ease, background 0.25s ease, border-left-color 0.25s ease;
  }
  .value-item:hover {
    transform: translateX(4px);
    background: color-mix(in srgb, var(--color-secondary) 8%, #F4F4F5);
    border-left-color: var(--color-accent);
  }

  /* -- 12. Nav toggle — feedback tactile discret ---------------- */
  .nav-toggle { transition: background 0.2s ease; }
  .nav-toggle:hover { background: color-mix(in srgb, var(--color-primary) 8%, transparent); }
}

/* -- Focus-visible élégant (toujours actif, pas de motion) ------ */
.btn:focus-visible,
.nav-menu a:focus-visible,
.card-link:focus-visible,
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* -- Garde-fou accessibilité — coupe TOUTE animation ------------ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .hero h1 em {
    background: none;
    -webkit-text-fill-color: var(--color-secondary);
    color: var(--color-secondary);
  }
  .normes-strip .norme-tag { opacity: 1; transform: none; }
  .stats-strip .stat-number { opacity: 1; transform: none; }
}